Arlen Ness Big Sucker Stage I Air Filter Kit for OEM Cover - Chrome - 18-458

Features a new patent-pending hidden breather system and a formed aluminum internal design resulting in more performance with no oil blow-by issues. The newly integrated patent-pending oil catch makes sure no oil ever touches the massive perimeter-flow air filter.
Increases horsepower, torque & mileage
Eliminates oil blow-by issues associated with performance intakes on M8 engines
Red pre-oiled high performance filter is washable
Patent-pending oil catch/reservoir
Patent-pending hidden breather backing plate
Aluminum filter top plate design eliminates internal mounting hardware and features a specially formed air venturi that directs airflow into the radius air inlet
These air cleaners have received a C 86 alifornia Executive Order (Executive Order D-639-8)